The Curiosity Well Podcast

What happens when humanity tosses a message in a bottle into the cosmic ocean? In this episode of the Curiosity Well Podcast, we dive deep into the fascinating history of interstellar communication. From the controversial Pioneer plaques to the iconic Voyager Golden Record, discover how scientists like Carl Sagan and Ann Druyan curated the ultimate mixtape of Earth for an audience we may never meet. We also explore modern cosmic time capsules aboard the Lucy and Europa Clipper missions. Plus, in our Void Mail segment, we answer a burning listener question: Does the moon's gravity really pull the water in our bodies and cause "Full Moon madness"? Grab your headphones and join us as we explore the most romantic, audacious, and awe-inspiring projects in the history of science.

Have you ever looked at the Moon and felt like it was getting smaller? In this episode of The Curiosity Well, I’m breaking down the startling reality of lunar recession and why our oldest cosmic companion is slowly "ghosting" Earth.I dive into the mechanics of tidal acceleration, explaining how our own oceans are acting as a gravitational slingshot, pushing the Moon away at about 3.8cm per year. We’ll explore the high-stakes consequences of this departure.

After ten days in space and a historic flyby of the Moon, the crew of Artemis II faces their final and most dangerous hurdle: Earth's atmosphere. In our final daily coverage of the Artemis II mission, we break down the critical events of Flight Days 9 and 10. We detail the strict logistics of securing the Orion "Integrity" capsule for high-G deceleration, troubleshoot an unexpected Day 9 communications anomaly, and examine the precise orbital mechanics required to align the spacecraft for a safe return.Crucially, we analyze NASA's decision to utilize a steeper, 1,983-kilometer direct reentry profile for this crewed flight, comparing the thermal and structural loads to the skip-entry used during Artemis I. From the 38,405 km/h atmospheric interface to the plasma blackout and the final Pacific Ocean splashdown, we explore the intense physics of bringing four humans safely back to Earth.

We usually talk about rockets going up, but the most dangerous part of space travel is coming back down. In this extended double-update, we cover Flight Days 7 and 8 of the Artemis II mission. The crew has successfully cleared the lunar far side, and the tone of the mission has officially shifted from exploration to survival. We break down the physics of exiting the Moon’s gravity, a historic interstellar phone call, and the intense preparations happening inside the capsule before it hits Earth’s atmosphere at 38,000 kilometers per hour.

Get the complete Artemis II Flight Day 6 update as the crew of the Integrity executes their historic lunar flyby and breaks the 56-year-old Apollo 13 distance record. In this episode of the Curiosity Well, we break down the moment humanity traveled 252,760 miles from Earth, the orbital mechanics behind the dark side communications blackout, and the unique science of observing a solar eclipse from the far side of the Moon. We also explore the deeply emotional radio transmission where the Artemis 2 crew named "Carroll Crater" in memory of Commander Reid Wiseman's late wife.

On this daily update of the Artemis II mission, we break down Flight Day 5 (Sunday, April 5, 2026). The Orion crew is hours away from crossing into the lunar sphere of influence and shattering the distance record set by Apollo 13. This episode covers the high-stakes Orion Crew Survival System (OCSS) pressurisation tests, the crew's shift toward lunar geology and observation targets, and the exact orbital mechanics behind the late-night Outbound Trajectory Correction burn.

On April 4th, the Artemis II crew turned off the autopilot. Welcome to our daily update on Flight Day 4 of the Artemis II mission. In this episode, we break down NASA astronaut Christina Koch and CSA astronaut Jeremy Hansen taking manual control of the 23,000-pound Orion capsule 169,000 miles from Earth.We also cover the exact details of the day's timeline, including a practical fix for Orion's frozen wastewater vent, a 24-hour spacecraft acoustics test, and laser communication milestones. Finally, we look ahead to the exact timeline for the April 6th lunar flyby, where the crew will witness a rare solar eclipse from space.

In this episode of the Curiosity Well, we break down the exact timeline of Flight Day 3 of the Artemis II mission. We cover the crew's transition from Low Earth Orbit into cislunar space, marking the first time humans have operated in this region since 1972. We detail the physical mechanics of spacecraft venting and explain why Mission Control officially scrubbed the Outbound Trajectory Correction (OTC-1) burn.We also examine the realities of emergency medical procedures in microgravity, outlining how astronauts perform CPR and choking-response protocols without the assistance of Earth's gravity. Additionally, we discuss a minor helium pressurization glitch in the Orion service module that successfully validated NASA's redundant backup systems, and we outline the crew's specific camera preparations for their upcoming pass over the lunar far side.

We are officially lunar-bound! On this episode, we break down the exact, minute-by-minute timeline of Flight Day 2 of the historic Artemis II mission. After a busy first 24 hours, Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialists Christina Koch and Jeremy Hansen fired the European Service Module's main engine to commit the Orion spacecraft to a lunar transit trajectory.From early morning orbital raise maneuvers to testing deep-space laser communications, we cover all the manual hardware tests, cabin environment adjustments, and mid-flight troubleshooting that took place on April 2nd, 2026. Join us as we track Orion's transition out of standard Earth orbit and into the hands of the Deep Space Network.

Artemis II Day-One Update: Liftoff, Orion Checkout, and the Upcoming Trans-Lunar Injection BurnThe episode recaps the Artemis II launch from Kennedy Space Center’s Launch Complex 39B at 6:35 PM Eastern on April 1, describing SLS ignition with twin solid rocket boosters and four RS-25 engines producing 8.8 million pounds of thrust, Orion’s separation from the core stage, and successful deployment of four solar arrays. It explains Orion’s first major burn to raise apogee and outlines the crew’s early tasks, including a Proximity Operations Demonstration in which Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen manually flew Orion near the spent upper stage to practice future docking skills. The crew also reported a blinking fault light on the space toilet as Mission Control troubleshoots. The update previews the mission’s most critical maneuver ahead: the 20+ minute trans-lunar injection burn to place Orion on a trajectory toward the Moon.

Tomorrow marks a monumental shift in space exploration as NASA’s Artemis II mission launches from the Kennedy Space Center. For the first time in 54 years, humans are returning to the Moon. In this episode of the Curiosity Well, we break down the exact sequence of events for launch day, the engineering behind the Space Launch System (SLS), and the flight path of the Orion capsule. We cover the entire 10-day, 1.1 million-kilometer journey, detailing the high Earth orbit checkout, the deep space lunar flyby, and the high-speed re-entry into Earth's atmosphere.In This Episode, We Cover:The Launch Timeline: A step-by-step breakdown of the final hours, from pumping 2.7 million liters of cryogenic propellants at -253°C to the automated engine ignition.The Artemis II Crew: Profiles on Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialists Christina Koch and Jeremy Hansen.The Flight Path: The mechanics of Orion’s free-return trajectory, which will take the crew 7,500 kilometers beyond the far side of the Moon to set a new distance record for human spaceflight.Re-entry Physics: An explanation of how the Orion heat shield handles re-entry speeds of 40,000 kilometers per hour and temperatures reaching 2,760°C.

Ever wondered why a holiday near a black hole might leave you younger than your friends at home? Let's explore "Interstellar Jetlag" (Time Dilation) and discover why everything you know about time is wrong. In this episode of The Curiosity Well Podcast, I take you on a mind-bending journey into the fabric of reality itself and talk about the speed of light and how it affects time.What I Explore:Einstein’s Metronome: How the constant speed of light fundamentally breaks our understanding of hours and seconds.The Spacetime Fabric: The cosmic trade-off between moving fast through space and moving slow through time.Everyday Relativity: Why GPS satellites and your Uber driver actively rely on time travel math to function.Void Mail Q&A: Plus, we answer a brilliant (and sweaty) listener question in our Void Mail segment: If moving faster slows down time, will running on a treadmill every day actually make you live longer?Join the Curiosity Well: Don't let spacetime pass you by! If you enjoyed getting interstellar jetlag with me, make sure to hit follow on Spotify, Apple Podcasts, or wherever you get your audio to help satisfy the great and powerful algorithms. Have a question you're too embarrassed to ask a real physicist? Send it in for our next Void Mail!